node/deps/v8/test/mjsunit/array-shift3.js
Michaël Zasso e31f0a7d25
deps: update V8 to 7.7.299.4
PR-URL: https://github.com/nodejs/node/pull/28918
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
2019-08-19 09:25:23 +02:00

17 lines
507 B
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
Array.prototype[1] = "element 1";
function test(a) {
a.shift();
return a;
};
%PrepareFunctionForOptimization(test);
assertEquals(['element 1', {}], test([0, , {}]));
assertEquals(['element 1', 10], test([9, , 10]));
%OptimizeFunctionOnNextCall(test);
assertEquals(['element 1', 10], test([9, , 10]));